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Finding the Fourth Proportional to 160,046.49, 240,030.48 and 75,803.61

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Solution

The fourth proportional to 160,046.49, 240,030.48 and 75,803.61 is: 113,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,046.49 : 240,030.48 = 75,803.61 : x
  2. Step 2: Convert to fraction form
    160,046.49/240,030.48 = 75,803.61/x
  3. Step 3: Cross multiply
    160,046.49x = 240,030.48 × 75,803.61
  4. Step 4: Simplify right side
    160,046.49x = 18,195,176,894.03
  5. Step 5: Solve for x
    x = 18,195,176,894.03/160,046.49
  6. Step 6: Final answer
    x = 113,686.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.